Health (5) Salud (5) Plumbing fixtures (3) National health services (3) Aparatos sanitarios (3) Costes (3) Gestión (3) Sistema nacional de salud (3) Labor (2) Saving and investment (2) Medical care, Cost of (2) Reducción (2) Estudio (2) Datos (2) Ahorro (2) Trabajo (2) Gasto sanitario (2) rondelle (2) Madrid (1) Programs (1) Box-Jenkins forecasting (1) Evolution (Biology) (1) Futures (1) Minors (1) Human services (1) Employees (1) Vaccines (1) Vaccination (1) Time-series analysis (1) Surgery--Complications (1)